Home / 303,811.51-419,377.98-271,925.05

Finding the Fourth Proportional to 303,811.51, 419,377.98 and 271,925.05

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Solution

The fourth proportional to 303,811.51, 419,377.98 and 271,925.05 is: 375,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,811.51 : 419,377.98 = 271,925.05 : x
  2. Step 2: Convert to fraction form
    303,811.51/419,377.98 = 271,925.05/x
  3. Step 3: Cross multiply
    303,811.51x = 419,377.98 × 271,925.05
  4. Step 4: Simplify right side
    303,811.51x = 114,039,378,173.22
  5. Step 5: Solve for x
    x = 114,039,378,173.22/303,811.51
  6. Step 6: Final answer
    x = 375,362.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.